Example #1
0
static void rtl8723bs_recv_tasklet(void *priv)
{
	PADAPTER			padapter;
	PHAL_DATA_TYPE		pHalData;
	struct recv_priv		*precvpriv;
	struct recv_buf 	*precvbuf;
	union recv_frame		*precvframe;
	struct recv_frame_hdr	*phdr;
	struct rx_pkt_attrib	*pattrib;
	_irqL	irql;
	u8		*ptr;
	u32 	pkt_len, pkt_offset, skb_len, alloc_sz;
	_pkt		*pkt_copy = NULL;
	u8		shift_sz = 0, rx_report_sz = 0;


	padapter = (PADAPTER)priv;
	pHalData = GET_HAL_DATA(padapter);
	precvpriv = &padapter->recvpriv;

	do {
		precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
		if (NULL == precvbuf) break;

		ptr = precvbuf->pdata;

		while (ptr < precvbuf->ptail)
		{
			precvframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
			if (precvframe == NULL)
			{
				DBG_8192C("%s: no enough recv frame!\n", __FUNCTION__);
				rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);

				// The case of can't allocte recvframe should be temporary,
				// schedule again and hope recvframe is available next time.
#ifdef PLATFORM_LINUX
				tasklet_schedule(&precvpriv->recv_tasklet);
#endif
				return;
			}

			//rx desc parsing
			update_recvframe_attrib(padapter, precvframe, (struct recv_stat*)ptr);

			pattrib = &precvframe->u.hdr.attrib;

			// fix Hardware RX data error, drop whole recv_buffer
			if ((!(pHalData->ReceiveConfig & RCR_ACRC32)) && pattrib->crc_err)
			{
#if !(MP_DRIVER==1)
				DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __FUNCTION__, __LINE__);
#endif
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
				break;
			}

			rx_report_sz = RXDESC_SIZE + pattrib->drvinfo_sz;
			pkt_offset = rx_report_sz + pattrib->shift_sz + pattrib->pkt_len;

			if ((ptr + pkt_offset) > precvbuf->ptail) {
				DBG_8192C("%s()-%d: : next pkt len(%p,%d) exceed ptail(%p)!\n", __FUNCTION__, __LINE__, ptr, pkt_offset, precvbuf->ptail);
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
				break;
			}

			if ((pattrib->crc_err) || (pattrib->icv_err))
			{
#ifdef CONFIG_MP_INCLUDED
				if (padapter->registrypriv.mp_mode == 1)
				{
					if ((check_fwstate(&padapter->mlmepriv, WIFI_MP_STATE) == _TRUE))//&&(padapter->mppriv.check_mp_pkt == 0))
					{
						if (pattrib->crc_err == 1)
							padapter->mppriv.rx_crcerrpktcount++;
					}
				}
#endif
				DBG_8192C("%s: crc_err=%d icv_err=%d, skip!\n", __FUNCTION__, pattrib->crc_err, pattrib->icv_err);
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
			}
			else
			{
				//	Modified by Albert 20101213
				//	For 8 bytes IP header alignment.
				if (pattrib->qos)	//	Qos data, wireless lan header length is 26
				{
					shift_sz = 6;
				}
				else
				{
					shift_sz = 0;
				}

				skb_len = pattrib->pkt_len;

				// for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet.
				// modify alloc_sz for recvive crc error packet by thomas 2011-06-02
				if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0)){
					//alloc_sz = 1664;	//1664 is 128 alignment.
					if(skb_len <= 1650)
						alloc_sz = 1664;
					else
						alloc_sz = skb_len + 14;
				}
				else {
					alloc_sz = skb_len;
					//	6 is for IP header 8 bytes alignment in QoS packet case.
					//	8 is for skb->data 4 bytes alignment.
					alloc_sz += 14;
				}

				pkt_copy = rtw_skb_alloc(alloc_sz);

				if(pkt_copy)
				{
					pkt_copy->dev = padapter->pnetdev;
					precvframe->u.hdr.pkt = pkt_copy;
					skb_reserve( pkt_copy, 8 - ((SIZE_PTR)( pkt_copy->data ) & 7 ));//force pkt_copy->data at 8-byte alignment address
					skb_reserve( pkt_copy, shift_sz );//force ip_hdr at 8-byte alignment address according to shift_sz.
					_rtw_memcpy(pkt_copy->data, (ptr + rx_report_sz + pattrib->shift_sz), skb_len);
					precvframe->u.hdr.rx_head = pkt_copy->head;
					precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
					precvframe->u.hdr.rx_end = skb_end_pointer(pkt_copy);
				}
				else
				{
					if((pattrib->mfrag == 1)&&(pattrib->frag_num == 0))
					{
						DBG_8192C("%s: alloc_skb fail, drop frag frame\n", __FUNCTION__);
						rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
						break;
					}

					precvframe->u.hdr.pkt = rtw_skb_clone(precvbuf->pskb);
					if(precvframe->u.hdr.pkt)
					{
						_pkt	*pkt_clone = precvframe->u.hdr.pkt;

						pkt_clone->data = ptr + rx_report_sz + pattrib->shift_sz;
						skb_reset_tail_pointer(pkt_clone);
						precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail
							= pkt_clone->data;
						precvframe->u.hdr.rx_end =	pkt_clone->data + skb_len;
					}
					else
					{
						DBG_8192C("%s: rtw_skb_clone fail\n", __FUNCTION__);
						rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
						break;
					}
				}

				recvframe_put(precvframe, skb_len);
				//recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE);

				if (pHalData->ReceiveConfig & RCR_APPFCS)
					recvframe_pull_tail(precvframe, IEEE80211_FCS_LEN);

				// move to drv info position
				ptr += RXDESC_SIZE;

				// update drv info
				if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
					//rtl8723s_update_bassn(padapter, pdrvinfo);
					ptr += 4;
				}

#ifdef CONFIG_C2H_PACKET_EN
				if(pattrib->pkt_rpt_type == NORMAL_RX)//Normal rx packet
				{
#endif
#ifdef CONFIG_CONCURRENT_MODE
				if(rtw_buddy_adapter_up(padapter))
				{
					if(pre_recv_entry(precvframe, precvbuf, (struct phy_stat*)ptr) != _SUCCESS)
					{
						RT_TRACE(_module_rtl871x_recv_c_,_drv_err_,
							("recvbuf2recvframe: recv_entry(precvframe) != _SUCCESS\n"));
					}
				}
				else
#endif
				{
					if (pattrib->physt)
						update_recvframe_phyinfo(precvframe, (struct phy_stat*)ptr);

					if (rtw_recv_entry(precvframe) != _SUCCESS)
					{
						RT_TRACE(_module_rtl871x_recv_c_, _drv_dump_, ("%s: rtw_recv_entry(precvframe) != _SUCCESS\n",__FUNCTION__));
					}
				}
#ifdef CONFIG_C2H_PACKET_EN
				}
				else if(pattrib->pkt_rpt_type == C2H_PACKET)
				{
					C2H_EVT_HDR 	C2hEvent;
					
					u16 len_c2h = pattrib->pkt_len;
					u8 *pbuf_c2h = precvframe->u.hdr.rx_data;
					u8 *pdata_c2h;				

					C2hEvent.CmdID = pbuf_c2h[0];
					C2hEvent.CmdSeq = pbuf_c2h[1];
					C2hEvent.CmdLen = (len_c2h -2);
					pdata_c2h = pbuf_c2h+2;

					if(C2hEvent.CmdID == C2H_CCX_TX_RPT)
					{
						CCX_FwC2HTxRpt_8723b(padapter, pdata_c2h, C2hEvent.CmdLen);
					}
					else
					{
						rtl8723bs_c2h_packet_handler(padapter, precvframe->u.hdr.rx_data, pattrib->pkt_len);
					}
					
					rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
					
				}
#endif				
			}

			pkt_offset = _RND8(pkt_offset);
			precvbuf->pdata += pkt_offset;
			ptr = precvbuf->pdata;
			precvframe = NULL;
			pkt_copy = NULL;
		}

		rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
	} while (1);

}
Example #2
0
static void rtl8723bs_recv_tasklet(void *priv)
{
	struct adapter *padapter;
	struct hal_com_data *pHalData;
	struct recv_priv *precvpriv;
	struct recv_buf *precvbuf;
	union recv_frame *precvframe;
	struct rx_pkt_attrib *pattrib;
	u8 *ptr;
	u32 pkt_offset, skb_len, alloc_sz;
	_pkt *pkt_copy = NULL;
	u8 shift_sz = 0, rx_report_sz = 0;


	padapter = priv;
	pHalData = GET_HAL_DATA(padapter);
	precvpriv = &padapter->recvpriv;

	do {
		precvbuf = rtw_dequeue_recvbuf(&precvpriv->recv_buf_pending_queue);
		if (NULL == precvbuf)
			break;

		ptr = precvbuf->pdata;

		while (ptr < precvbuf->ptail) {
			precvframe = rtw_alloc_recvframe(&precvpriv->free_recv_queue);
			if (precvframe == NULL) {
				DBG_8192C("%s: no enough recv frame!\n", __func__);
				rtw_enqueue_recvbuf_to_head(precvbuf, &precvpriv->recv_buf_pending_queue);

				/*  The case of can't allocte recvframe should be temporary, */
				/*  schedule again and hope recvframe is available next time. */
				tasklet_schedule(&precvpriv->recv_tasklet);
				return;
			}

			/* rx desc parsing */
			update_recvframe_attrib(padapter, precvframe, (struct recv_stat *)ptr);

			pattrib = &precvframe->u.hdr.attrib;

			/*  fix Hardware RX data error, drop whole recv_buffer */
			if ((!(pHalData->ReceiveConfig & RCR_ACRC32)) && pattrib->crc_err) {
				DBG_8192C("%s()-%d: RX Warning! rx CRC ERROR !!\n", __func__, __LINE__);
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
				break;
			}

			rx_report_sz = RXDESC_SIZE + pattrib->drvinfo_sz;
			pkt_offset = rx_report_sz + pattrib->shift_sz + pattrib->pkt_len;

			if ((ptr + pkt_offset) > precvbuf->ptail) {
				DBG_8192C("%s()-%d: : next pkt len(%p,%d) exceed ptail(%p)!\n", __func__, __LINE__, ptr, pkt_offset, precvbuf->ptail);
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
				break;
			}

			if ((pattrib->crc_err) || (pattrib->icv_err)) {
				{
					DBG_8192C("%s: crc_err =%d icv_err =%d, skip!\n", __func__, pattrib->crc_err, pattrib->icv_err);
				}
				rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
			} else {
				/* 	Modified by Albert 20101213 */
				/* 	For 8 bytes IP header alignment. */
				if (pattrib->qos)	/* 	Qos data, wireless lan header length is 26 */
					shift_sz = 6;
				else
					shift_sz = 0;

				skb_len = pattrib->pkt_len;

				/*  for first fragment packet, driver need allocate 1536+drvinfo_sz+RXDESC_SIZE to defrag packet. */
				/*  modify alloc_sz for recvive crc error packet by thomas 2011-06-02 */
				if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
					if (skb_len <= 1650)
						alloc_sz = 1664;
					else
						alloc_sz = skb_len + 14;
				} else {
					alloc_sz = skb_len;
					/* 	6 is for IP header 8 bytes alignment in QoS packet case. */
					/* 	8 is for skb->data 4 bytes alignment. */
					alloc_sz += 14;
				}

				pkt_copy = rtw_skb_alloc(alloc_sz);

				if (pkt_copy) {
					pkt_copy->dev = padapter->pnetdev;
					precvframe->u.hdr.pkt = pkt_copy;
					skb_reserve(pkt_copy, 8 - ((SIZE_PTR)(pkt_copy->data) & 7));/* force pkt_copy->data at 8-byte alignment address */
					skb_reserve(pkt_copy, shift_sz);/* force ip_hdr at 8-byte alignment address according to shift_sz. */
					memcpy(pkt_copy->data, (ptr + rx_report_sz + pattrib->shift_sz), skb_len);
					precvframe->u.hdr.rx_head = pkt_copy->head;
					precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail = pkt_copy->data;
					precvframe->u.hdr.rx_end = skb_end_pointer(pkt_copy);
				} else {
					if ((pattrib->mfrag == 1) && (pattrib->frag_num == 0)) {
						DBG_8192C("%s: alloc_skb fail, drop frag frame\n", __func__);
						rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
						break;
					}

					precvframe->u.hdr.pkt = rtw_skb_clone(precvbuf->pskb);
					if (precvframe->u.hdr.pkt) {
						_pkt *pkt_clone = precvframe->u.hdr.pkt;

						pkt_clone->data = ptr + rx_report_sz + pattrib->shift_sz;
						skb_reset_tail_pointer(pkt_clone);
						precvframe->u.hdr.rx_head = precvframe->u.hdr.rx_data = precvframe->u.hdr.rx_tail
							= pkt_clone->data;
						precvframe->u.hdr.rx_end =	pkt_clone->data + skb_len;
					} else {
						DBG_8192C("%s: rtw_skb_clone fail\n", __func__);
						rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);
						break;
					}
				}

				recvframe_put(precvframe, skb_len);
				/* recvframe_pull(precvframe, drvinfo_sz + RXDESC_SIZE); */

				if (pHalData->ReceiveConfig & RCR_APPFCS)
					recvframe_pull_tail(precvframe, IEEE80211_FCS_LEN);

				/*  move to drv info position */
				ptr += RXDESC_SIZE;

				/*  update drv info */
				if (pHalData->ReceiveConfig & RCR_APP_BA_SSN) {
					/* rtl8723s_update_bassn(padapter, pdrvinfo); */
					ptr += 4;
				}

				if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
					if (pattrib->physt)
						update_recvframe_phyinfo(precvframe, (struct phy_stat *)ptr);

					if (rtw_recv_entry(precvframe) != _SUCCESS) {
						RT_TRACE(_module_rtl871x_recv_c_, _drv_dump_, ("%s: rtw_recv_entry(precvframe) != _SUCCESS\n", __func__));
					}
				} else if (pattrib->pkt_rpt_type == C2H_PACKET) {
					C2H_EVT_HDR	C2hEvent;

					u16 len_c2h = pattrib->pkt_len;
					u8 *pbuf_c2h = precvframe->u.hdr.rx_data;
					u8 *pdata_c2h;

					C2hEvent.CmdID = pbuf_c2h[0];
					C2hEvent.CmdSeq = pbuf_c2h[1];
					C2hEvent.CmdLen = (len_c2h-2);
					pdata_c2h = pbuf_c2h+2;

					if (C2hEvent.CmdID == C2H_CCX_TX_RPT)
						CCX_FwC2HTxRpt_8723b(padapter, pdata_c2h, C2hEvent.CmdLen);
					else
						rtl8723bs_c2h_packet_handler(padapter, precvframe->u.hdr.rx_data, pattrib->pkt_len);

					rtw_free_recvframe(precvframe, &precvpriv->free_recv_queue);

				}
			}

			pkt_offset = _RND8(pkt_offset);
			precvbuf->pdata += pkt_offset;
			ptr = precvbuf->pdata;
			precvframe = NULL;
			pkt_copy = NULL;
		}

		rtw_enqueue_recvbuf(precvbuf, &precvpriv->free_recv_buf_queue);
	} while (1);

}